the ordered pcbs for the digital control part and power stuff has arrived the fpga and stm32 link was tested and is good the power board stuff works too the board  to board  interconnects havent arrived will update  with all three boards working together after that the analog board will be ordered by  5th september with its components  no issues wer found in current board desgins till now i am using icesugar pro fpga boards for now . the analog board will currently only house one TI ADS1299  only on its sucessful test will the other 7 be ordered .  the whole system will be modular with upto 256 channels as my future target for that the current pcbs have inter  module connectors too but these will be tested once the tests for single module operations have been finished